Septimius Severus, AE29 of Istrus, Thrace.

Obv: AV K L CEPTI CEYHPOC P, laureate head right.
Rev: ICTRIHNWN, Kybele seated left, holding patera, resting 
left arm on drum, lion before and behind the throne.

Varbanov 610 var (obv. legend with CEPTI).

Used with permission of CNG coins, www.cngcoins.com, Jan, 2011